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Tg1. MAYALL. y .Fumiguators' for Hospitalsand other Us'es. Np. 143,583'. PatemedocLmJava.

,www Imwr, y JMW/@QM 7 UNITED STATES PATENT QEEIGE.,

THOMAS J. MAYALL, OF BOSTON,MASSAOHUSETTS.

IMPROVEMENT IN FUMIGATORS FCR HOSPITALEAND OTHER USES.

Specification forming part of Letters Patent No. 143,583, dated October 147 1873; application tiled September 1, 1873.

heated, Will cause evaporation of the acid.

The steam from the Water and the fumes of the acid mingle together and pass oft through a perforated cover to unite With the of the room to be fumigated or disinfected.

In the accompanying drawing, Figure 1 is a perspective view of my portable fumigator.

Fig. 2 is a vertical central section of the same.

Fig. 3 is a view of the acid cup or vessel removed from the Water-receptable.

The main body or shell A of the fumigator is divided into tWo parts-a heating-chamber, a., designed to receive the alcohol-lamp b, and the Water chamber or receptable c above the heating-chamber, and With its bottom in proximity to, and so as to be heated by, the lamp b when the latter is lighted. Chamber b is open on one side to admit of the lamp being placed therein or removed therefrom. There is a flat plate, d, on the base of the lamp, that slides between and under side guides c on the bottom of chamber b. The chamber is perforated on lithe sides to admit air alive.

The handle of the lamp may be used as a means to hold the fumi gator in carrying it from place to place; or a separate handle can be provided on the shell A of the article.

needed to keep the flame pass off through the perforated cover to permeate the room Which is to be disinfected.

Having described my invention, What I claim, and desire to secure by Letters Patent, is-

A portable fumigator for hospital and other uses, consisting of a shell or case, containing an under heatingchamberprovided With a lamp, an upper chamber or receptacle to contain Water, and an acid cup or vessel suspended within said chamber, the acid-cup and upper chamber being closed by a perforated cover common to both, as shown and set forth.

In testimony whereof I have signed my name to this specification before two subscribing Witnesses.

' THOS. J. MAYALL.

" itnessesz JOHN BULKLEY, OHAs. HALL ADAMs.

To prepare the fumigator for use, the cup or I or boiling Water, and the intermingled products 

